Begin work on GIP (Graphics Initiation Protocol)

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/include/gip.h b/src/lib/include/gip.h
new file mode 100644
index 0000000..98b4655
--- /dev/null
+++ b/src/lib/include/gip.h
@@ -0,0 +1,55 @@
+#pragma once
+
+// Not thread safe
+
+#include <hashtbl.h>
+
+#include <proto/gip.h>
+#include <mainloop.h>
+
+typedef struct gip_handler gip_handler_t;
+
+typedef void (*noarg_gip_callback_t)(gip_handler_t *s, gip_msg_header *m);
+typedef void (*gip_reply_callback_t)(gip_handler_t *s, gip_msg_header *m, void* data);
+
+typedef struct {
+	noarg_gip_callback_t
+		reset, initiate, ok, failure,
+		enable_features, disable_features,
+		query_mode, set_mode, switch_buffer;
+	void (*buffer_info)(gip_handler_t *s, gip_msg_header *m, gip_buffer_info_msg *i);
+	void (*mode_info)(gip_handler_t *s, gip_msg_header *m, gip_mode_info_msg *i);
+	void (*buffer_damage)(gip_handler_t *s, gip_msg_header *m, gip_buffer_damage_msg *i);
+	void (*unknown_msg)(gip_handler_t *s, gip_msg_header *m);
+	void (*fd_error)(gip_handler_t *s);
+} gip_handler_callbacks_t;
+
+typedef struct gip_handler {
+	gip_handler_callbacks_t* cb;
+	void* data;
+
+	gip_msg_header			msg_buf;
+	gip_buffer_info_msg		buffer_info_msg_buf;
+	gip_mode_info_msg		mode_info_msg_buf;
+	gip_buffer_damage_msg	buffer_damage_msg_buf;
+
+	hashtbl_t *requests_in_progress;
+	uint32_t next_req_id;
+
+	mainloop_fd_t	mainloop_item;
+} gip_handler_t;
+
+gip_handler_t *new_gip_handler(gip_handler_callbacks_t *cb, void* data);
+void delete_gip_handler(gip_handler_t *h);
+
+// GIP send messages
+
+bool gip_cmd(gip_handler_t *h, gip_msg_header *msg, void* msg_data, gip_reply_callback_t cb, void* cb_data);
+
+bool gip_reply(gip_handler_t *h, gip_msg_header *orig_request, gip_msg_header *msg, void* msg_data);
+bool gip_reply_fail(gip_handler_t *h, gip_msg_header *o);
+bool gip_reply_ok(gip_handler_t *h, gip_msg_header *o);
+
+bool gip_notify(gip_handler_t *h, gip_msg_header *msg, void* msg_data);
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/